| PartNumber | 1D30UM | 1D30UR | 1D30UL |
| Description | Circuit Breakers 30A D Characteristic UL 508 1 POLE | Circuit Breakers 30A,MCB D CHAR 1 PL, 277VAC, UL1077 | Circuit Breakers 30A, D CHAR, 1POLE 277VAC, UL489 |
| Manufacturer | Altech | Altech | - |
| Product Category | Circuit Breakers | Circuit Breakers | - |
| RoHS | Y | Y | - |
| Series | UM | UR | - |
| Current Rating | 30 A | 30 A | - |
| Voltage Rating AC | 277 VAC | 277 VAC | - |
| Voltage Rating DC | 24 VDC | - | - |
| Number of Poles | 1 Pole | 1 Pole | - |
| Actuator Type | Handle | Handle | - |
| Minimum Operating Temperature | - 25 C | - 25 C | - |
| Maximum Operating Temperature | + 55 C | + 55 C | - |
| Illuminated | Not Illuminated | Not Illuminated | - |
| Termination Style | Box Clamp, Ring Tongue | Box Clamp, Ring Tongue | - |
| Voltage Rating | 277 VAC, 24 VDC | - | - |
| Brand | Altech | Altech | - |
| Mounting Style | DIN Rail Mount | DIN Rail Mount | - |
| Product Type | D-Trip Circuit Breakers | D-Trip Circuit Breakers | - |
| Factory Pack Quantity | 12 | 12 | - |
| Subcategory | Circuit Breakers | Circuit Breakers | - |